Pushshift Reddit — 2011-09
A Reddit (Pushshift archive, 2011-09) dataset of 9,808,117 comments and 4,569,421 reply edges, collected by Jason Baumgartner via Pushshift.io Reddit API archive. Each record contains comment tree graph (nodes=comments, edges=reply relationships), 9,784 subreddits, node attributes: author, subreddit, score. Monthly slice of the Pushshift Reddit corpus for 2011-09 — comment tree graph showing reply structure, full comment text, and per-comment engagement metrics across 9,784 subreddits.. Suitable for Reddit comment tree analysis, reply network structure, community detection, sentiment analysis, engagement research, longitudinal Reddit growth studies.
Cite this dataset at
pushshift-reddit-2011-09.echo.directory
Analytics
The full graph has 9,808,117 nodes; this view shows the 1,000-node sample the pipeline drew for display. Node size is centrality, colour is community.
Topic 0
Topic 1
Topic 2
Topic 3
Topic 4
Topic 5
Topic 6
Topic 7
Topic 8
Topic 9
Topic 10
Topic 11
Show all 24 topics
Topic 12
Topic 13
Topic 14
Topic 15
Topic 16
Topic 17
Topic 18
Topic 19
Topic 20
Topic 21
Topic 22
Topic 23
Sampled: text metrics from 50K of 9.5M records; topic model from 20K. Degree assortativity: exact — Pearson correlation of total degree over every edge (DuckDB) Bridge bottleneck count: exact — biconnected components of the undirected graph (NetworKit) Connected components: exact — weakly connected components (NetworKit) Density: exact Reciprocity rate: exact (DuckDB) Top 10 centrality hubs: exact — full degree count (DuckDB)
Record
- Catalog key
pushshift-reddit-2011-09- Authors
- Baumgartner, Jason; Zannettou, Savvas; Keegan, Brian; Squire, Megan; Blackburn, Jeremy
- Year
- 2020
- Source paper
- The Pushshift Reddit Dataset
- DOI / arXiv
- 10.1609/icwsm.v14i1.7347
- License
- Unknown
- Records
- 9,808,117
- Nodes
- 9,808,117
- Edges
- 4,569,421
- Nodes are
- user
- Edges are
- reply
- Attributes
- nodes have no attributes; edges have no attributes
- Text corpus
- comment text
- Languages
- en
- Collected
- 2011-09 (2010s)
- Tasks
- From the graph: link prediction, community detection
- Region
- Global (inferred: the platform is used worldwide)
Provenance
- Originally published at
- https://files.pushshift.io/reddit/comments/ unverified
- Hosted copy
- Mirrored on echo.directory on 2026-10-02, 1.0 GB across 1 files. Checksums in MANIFEST.json.
How to cite
BibTeX
@misc{echo2026,
title = {ECHO: Exploratory Compendium of Humanity Online},
author = {Switzer, Braden and Zafarani, Reza},
year = {2026},
url = {https://echo.directory},
note = {Syracuse University}
}
@misc{baumgartner2020pushshift,
title = {The Pushshift Reddit Dataset},
author = {Baumgartner, Jason and Zannettou, Savvas and Keegan, Brian and Squire, Megan and Blackburn, Jeremy},
year = {2020},
eprint = {2001.08435},
archiveprefix = {arXiv}
} APA
Switzer, B., & Zafarani, R. (2026). ECHO: Exploratory Compendium of Humanity Online [Data repository]. Syracuse University. https://echo.directory
Baumgartner, J., Zannettou, S., Keegan, B., Squire, M., & Blackburn, J. (2020). Pushshift Reddit — 2011-09 [Data set]. https://doi.org/10.1609/icwsm.v14i1.7347
MLA
Switzer, Braden, and Reza Zafarani. ECHO: Exploratory Compendium of Humanity Online. Syracuse University, 2026, echo.directory.
Baumgartner, Jason, et al. Pushshift Reddit — 2011-09. 2020, doi.org/10.1609/icwsm.v14i1.7347.